Recent questions tagged Python

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python - Tkinter - How to stop a loop with a stop button?

I have this program which beeps every second until it's stopped. The problem is that after I press "Start" ... stopButton.pack() top.mainloop() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - expected string or buffer ,date_re.match(value) django error

I want to extent custom user model in django.I copy paste code from django official website. When i want to ... (default=True), ), ] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Coloring networkx edges based on weight

How do I change the color of the edges in a graph in networkx based on the weights of those edges? The ... I'm not animating the graph. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Comparison with boolean numpy arrays VS PEP8 E712

PEP8 E712 requires that "comparison to True should be if cond is True: or if cond:". But if I follow this ... first two imho. "Where what?" See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I ensure that arguments have same type without listing the types explicitly?

Let us assume that we need a function that accepts two arguments of any type as long as both arguments have the ... this is not what we want. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

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python - Filtering string/float/integer values in pandas dataframe columns

How can I filter only string values/ integer/ float values in one column (SIC) in a pandas data frame like below? ... 9 string 10 29.11 11 20 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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618 views

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python - Multi threading in Tkinter GUI, threads in different classes

I'm currently learning the Tkinter GUI programming. And I'm stuck in somewhere in multi threading concept. Even ... to my sample program given. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - What does overrideredirect() do?

I have come to understand overrideredirect helps removing the default window decorations like the toolbar.What are ... there any alternative? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

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python - django not serving static files

I'm using Django==1.5.5 and My django app is structured as --project/ ----project/ ------ ... file? any configuration missing? Please suggest. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - numpy: is it possible to preserve the dtype of columns when using column_stack

When I use column_stack to concatenate NumPy arrays, the dtype gets converted: a = numpy.array([1., 2., ... dtype of the individual columns? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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454 views

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python - ModuleNotFoundError issue for pytest

I want to use pytest to do unit testing for the scripts in another folder called src. Here is my ... with the directory provided above? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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570 views

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python - pandas: How to get the most frequent item in pandas series?

How can I get the most frequent item in a pandas series? Consider the series s s = pd.Series("1 5 3 3 3 ... (int) The returned value should be 3 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - ascii codec cant decode byte 0xe9

I have done some research and seen solutions but none have worked for me. Python - 'ascii' codec can't decode ... to get that to work either. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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578 views

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python - Find consecutive repeated nan in a numpy array

What is the best way to find the maximum number of consecutive repeated nan in a numpy array? Examples: from numpy import ... 0.16] Output 2: 4 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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python - Could not find a version that satisfies the requirement flask (from versions: ) No matching distribution found for flask

Exception occurs while installing package using pip. I tried installing numpy, flask and others. but getting below ... Python version is 3.7 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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925 views

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python - How to install pygtk 3 on Mac OS X?

What I tried: brew install pygobject3 --with-python@2 gtk+3 brew install pygtk3 brew install pygobject3 pip install ... with Gtk 2.0" ) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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python - Find gaps in a sequence of Strings

I have got a sequence of strings - 0000001, 0000002, 0000003.... upto 2 million. They are not contiguous. ... the fastest way to do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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630 views

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python - BeautifulSoup get_text does not strip all tags and JavaScript

I am trying to use BeautifulSoup to get text from web pages. Below is a script I've written to do so. It ... Any help will be much appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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python - How do I generate all of a knight's moves?

I am writing a Chess program in Python that needs to generate all the moves of a knight. For those not familiar ... s current position. ''' pass See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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777 views

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python 3.x - Py2Exe application flagged as malware by Windows Defender; what to do?

I have an application I wrote for my company in Python 2.x, PyQT4, and MySQLdb and packaged with py2exe. ... as malware. (Win32/Zwangi). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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523 views

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python decorator arguments with @ syntax

I'm trying to use a cached property decorator that can take arguments. I looked at this implementation: ... with decorators arguments? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

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python - Django: How to access URL regex parameters inside a middleware class?

I am working on a Django project on Google App Engine. I have a URL like: http://localhost:8080 ... process_request method of middleware class? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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476 views

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python - How can I load all keys from a dict as local variables, a better aproach?

Giving this dictionary: >>> options = {'DATABASES': {'default': {'ENGINE': 'django.db.backends.sqlite3'}}} ... there is maybe a better solution. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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667 views

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python - Pygame headless setup

I am using pygame's joystick api to use a joystick with my project on a headless system, but pygame requires a " ... = display.set_mode((1, 1)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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342 views

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python - Facebook webhook making multiple calls for the same message?

I made and echo bot on AWS with Python and serverless. I keep getting the same request again and again. I ... keep getting the same problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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572 views

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python - Create 3D array from a 2D array by replicating/repeating along the first axis

Suppose I have a n m array, i.e.: array([[ 1., 2., 3.], [ 4., 5., 6.], [ 7., 8., 9.]]) And I what to ... ], [ 7., 8., 9.]]]) How can I get it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

1 answer

python - How can I format a float using matplotlib's LaTeX formatter?

I have a number in my python script that I want to use as part of the title of a plot in ... in old versions is especially appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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537 views

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python - Why does supplying stdin to subprocess.Popen cause what is written to stdout to change?

I'm using Python's subprocess.Popen to perform some FTP using the binary client of the host operating system. ... the server responses gone to? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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